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Finding the Third Proportional to 300,794 and 668,836

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Solution

The third proportional to 300,794 and 668,836 is: 1,487,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,794 : 668,836 = 668,836 : x
  2. Step 2: Convert to fraction form
    300,794/668,836 = 668,836/x
  3. Step 3: Cross multiply
    300,794x = 668,836 × 668,836
  4. Step 4: Simplify right side
    300,794x = 447,341,594,896
  5. Step 5: Solve for x
    x = 447,341,594,896/300,794
  6. Step 6: Final answer
    x = 1,487,202.52

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.